This guy, Nirav Patel, has used the Microvision SHOWWX laser pico-projector with a $25 fish-eye lens to create a projected image in a globe. It may be of interest to some of you making your own displays.
http://eclecti.cc/computergraphics/snow ... projectionFollow some of the "related" links on the bottom of this page because the other articles to provide some more information.
Joe Dunfee